Byrock zoning & planning overlays
A planning-constraint profile of Byrock
(Brewarrina, NSW) - 3580.63 km², mapped from live council and
state overlay data. This suburb is highly constrained on the overlays we could measure - no flood mapping covers this suburb, so this is not a suburb-wide verdict.
Profile updated 26 September 2026.
Suburb-wide figures; the free map shows which overlays touch your lot.
Constraint readout
3580.63 km² - this suburb is highly constrained on the overlays we could measure - no flood mapping covers this suburb, so this is not a suburb-wide verdict.
Elevation hillshade with street names, clipped to Byrock's boundary, with the bushfire and environmental overlays drawn on top. No flood layer is drawn because we hold no flood mapping for this area.
Nearby suburbs, nearest first
Byrock at a glance
How Byrock is zoned
Buying in Byrock? The zoning, flood and bushfire lines on the section 10.7 certificate attached to the contract are mapped controls - see our s10.7 certificate guide.
Across its 3580.63 km², Byrock is highly constrained by the planning overlays we hold. We hold no flood mapping covering this suburb, so no flood figure is shown - that is a gap in our data, not an all-clear. Of what is mapped, 95% is flagged bushfire-prone. There is 1 heritage-listed site on record, and the dominant land-use zone is Primary Production. The median lot measures about 2,109 m² across 387 parcels.
Who lives in Byrock
Census 2021 figures published by the ABS for the Byrock suburb boundary itself, not a wider region.
Socio-economic standing
ABS SEIFA 2021 ranks every Australian suburb. Decile 1 is the most disadvantaged tenth of the country, decile 10 the least.
Score 1038, and decile 8 within New South Wales. The national average is 1000.
Population trend, 2001 to 2025
Estimated resident population of Bourke - Brewarrina, the wider ABS statistical area containing Byrock. There is no annual population series published at suburb level, so this describes the surrounding area rather than Byrock itself.
5,597 in 2001 to 3,420 in 2025, down 39%.
Source: ABS Census 2021 and SEIFA 2021 (Suburbs and Localities), Regional Population (SA2), CC BY 4.0. Small counts are randomly adjusted by the ABS.
Byrock data sources and coverage
“Not mapped” means we hold no source layer for this suburb - never an all-clear.
| Dataset | Coverage | Publisher |
|---|---|---|
| Flood mapping | Not mapped | NSW Government spatial services, NSW ePlanning and published council flood studies |
| Bushfire-prone mapping | Mapped | NSW Government spatial services, NSW ePlanning and published council flood studies |
| Zoning | Mapped | NSW Government spatial services, NSW ePlanning and published council flood studies |
| Heritage and environment | Mapped where published | NSW Government spatial services, NSW ePlanning and published council flood studies |
| Aircraft noise contours (ANEF) | Not held | NSW Government spatial services, NSW ePlanning and published council flood studies, Defence |
| Observed flight paths | Not watched | adsb.lol, under the Open Database License |
| Demographics | Available | Australian Bureau of Statistics (2021 Census and SEIFA) |
Profile last materially updated 26 September 2026. See the methodology and full source list. Source data changes over time and critical decisions should be checked with the responsible authority.
Check a specific Byrock address
See exactly which overlays touch a single property - the interactive map is free. Need it on paper? A full planning PDF is just $9.
Building or pricing a slab? The $119 geotechnical desktop report covers geology, soils, bores and an indicative AS 2870 site class for a Byrock lot.
See what's in the $9 report →Byrock planning - frequently asked
Is Byrock flood-prone?
We don't yet hold flood mapping covering Byrock, so this page can't say how much of the suburb is flood-affected - that is a gap in our data, not an indication that the suburb is free of flood risk. Brewarrina is the authority to check for flood mapping in this area.
Is Byrock bushfire-prone?
Around 95% of Byrock is mapped as bushfire-prone, compared with a Brewarrina average of 98%.
What is the zoning in Byrock?
The dominant planning zone in Byrock is Primary Production, though the suburb also includes Infrastructure and Village.
Does Byrock have heritage-listed places?
Byrock has 1 heritage-listed place on record.
What is the typical lot size in Byrock?
Across 387 surveyed parcels in Byrock, the median lot size is about 2,109 m². There are also 6 registered easements mapped in the suburb.
Does Byrock have a train station?
There is no train station inside Byrock itself. The suburb is served by 2 bus stops.
Is Byrock an advantaged suburb?
On the ABS SEIFA 2021 index of relative socio-economic advantage and disadvantage (IRSAD), Byrock scores 1038 and sits in decile 8 of 10 nationally and decile 8 within New South Wales (decile 1 is the most disadvantaged tenth, decile 10 the least).
Compare nearby suburbs
| Nearby suburb | Distance | Flood mapped | Bushfire-prone |
|---|---|---|---|
| Gongolgon | 43.9 km | Not mapped | 100% |
| Bourke Bourke |
52.9 km | Not mapped | 99% |
| Gunderbooka Bourke |
59.0 km | Not mapped | 100% |
| Coolabah Bogan |
60.6 km | Not mapped | 100% |
| Brewarrina | 71.9 km | Not mapped | 100% |
| Tindarey Cobar |
76.1 km | Not mapped | 38% |
| North Bourke Bourke |
87.3 km | Not mapped | 100% |
| The Marra Warren |
89.3 km | Not mapped | 100% |
| Girilambone Bogan |
91.8 km | Not mapped | 100% |
| Murrawombie Bogan |
105.4 km | Not mapped | 100% |